A daily updated filename extension database!

T04 file extension

The table below provides useful information about the .t04 file extension. It answers questions such as:

  • What is the .t04 file?
  • What program do I need to open a .t04 file?
  • How can the .t04 file be opened, edited or printed?
  • How can I convert .t04 files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

✅ TaxCut Federal Data

T01 file is a TaxCut Document. H&R Block TaxCut is a financial program. It is used to create and manage tax records.
T00 format description not yet available
Category: Data files
Application: TaxCut
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
T00 aliases:
t01, t02, t03, t04, t05, t06, t07, t08, t09, t99
T00 related links:
T00 related extensions:

Other types of files may also use the .t04 file extension.

🚫 The .t04 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

f04, g04, h04, r04, t4, to4, tp4, y04

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Nastran Log
HEC-RAS Geometry File
Intellution FIX32 Historical Data
WinRAR Archive
TerrAlign Alignment Configuration
MicroStation Modification System Resource File
Top 4 Compressed Data
Corel Paradox Secondary Index
RollerCoaster Tycoon Track Picture
HEC-RAS Flow File

🔴 Can't open a .t04 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .t04 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .t04 file extension, write to us!

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